Ductile regime turning at large tool feed

Jiwang Yan, Katsuo Syoji, Tsunemoto Kuriyagawa, Hirofumi Suzuki

Research output: Contribution to journalArticlepeer-review

166 Citations (Scopus)


Ductile regime turning is a new technology for obtaining a crack-free surface on brittle material. However, the fundamental obstacle for industrial application of this technology is diamond tool wear. This problem is difficult to solve for existing methods of turning with round-nosed tools due to limitation on tool feed. In this paper, ductile regime turning using the straight-nosed diamond tool is proposed. This method enables thinning of undeformed chip thickness in the nanometric range and at the same time provides significant cutting width ensuring plain strain conditions. Adopting a small cutting edge angle enables ductile regime turning at a large tool feed up to a few tens of micrometers. Single crystal silicon is machined and chip morphology and machined surface texture are examined for clarifying the brittle-ductile transition mechanism. Ductile surface with nanometric roughness is obtained and generation of plastically deformed continuous chips is confirmed.

Original languageEnglish
Pages (from-to)363-372
Number of pages10
JournalJournal of Materials Processing Technology
Issue number2-3
Publication statusPublished - 2002 Feb 28
Externally publishedYes


  • Brittle material
  • Brittle-ductile transition
  • Diamond turning
  • Ductile regime machining
  • Tool feed

ASJC Scopus subject areas

  • Ceramics and Composites
  • Computer Science Applications
  • Metals and Alloys
  • Industrial and Manufacturing Engineering


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